U.S. inflation · 1971–2021

Value of $100 in 1971, adjusted to 2021

$100 in 1971 has the same buying power as

$669

in 2021

$100$385$66919711984199620092021$100 · 1971$669 · 2021
Detailed inflation statistics
Cumulative price change569.1%
Average inflation rate3.87% per year
Converted amount ($100 base)$669
Price difference ($100 base)$569
CPI in 197140.5
CPI in 2021270.97
Inflation in 19714.38%
Inflation in 20214.70%
$100 in 19712021$669
$100 in 20211971$14.95

What happened to prices between 1971 and 2021

Between 1971 and 2021, the Consumer Price Index went from 40.5 to 270.97. Cumulatively, prices increased 569.1%, which works out to an average of 3.87% per year. Put differently, a dollar in 1971 bought what $0.15 buys in 2021.

Consumer prices rose 4.4% in 1971, down from 1970’s 5.7% as the recession that started in December 1969 finally cooled demand. The bigger economic story came that August 15, when President Nixon closed the “gold window” that let foreign governments exchange dollars for gold, ending the Bretton Woods system that had anchored the dollar since World War II. The same address announced a 90-day freeze on wages and prices, the first peacetime controls the country had seen, an attempt to break inflationary expectations without the slower grind of tighter money. The “Nixon Shock,” as it came to be known, let the dollar float against other currencies for the first time and set the stage for a wage-and-price-control regime that would run in various forms into 1973. Politically, the country lowered its voting age that year: the 26th Amendment, ratified July 1, extended the vote to 18-year-olds, capping a campaign built on the argument that men old enough to be drafted to Vietnam were old enough to vote for the people who sent them. The Postal Service, independent since 1970’s reorganization, raised first-class postage from 6 to 8 cents that May. A median household earned $9,028 in 1971, up from $8,734 the year before, while gas held near 36 cents a gallon and a new home sold for a median $25,200. Consumer prices stood 309.1% above their 1913 level by year’s end, still years away from the double-digit inflation the controls were meant to prevent.

More about inflation in 1971 →

Common amounts: 1971 dollars in 2021

Amount in 1971Value in 2021
$1.00$6.69
$5.00$33.45
$10.00$66.91
$20.00$134
$50.00$335
$100$669
$500$3,345
$1,000$6,691
$5,000$33,453
$10,000$66,906
$100,000$669,062
$1,000,000$6,690,617

Inflation by spending category, 1971–2021

The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1971 spending costs in 2021, by category:

Category Avg. yearly inflation $100 in 1971 →
All items (CPI-U) 3.87% $669
Medical care 5.50% $1,455
Energy 4.49% $899
Housing 4.08% $739
Food 3.93% $688
Core (all items less food & energy) 3.81% $649
Transportation 3.59% $584
Apparel 1.38% $198

Not shown because the BLS began these indexes after 1971: recreation (1993–), education & communication (1993–).

Year by year: CPI and the value of $100 from 1971

Year CPI Inflation rate $100 from 1971
1971 40.5 4.4% $100
1973 44.4 6.2% $110
1975 53.8 9.1% $133
1977 60.6 6.5% $150
1979 72.6 11.3% $179
1981 90.9 10.3% $224
1983 99.6 3.2% $246
1985 107.6 3.6% $266
1987 113.6 3.6% $280
1989 124 4.8% $306
1991 136.2 4.2% $336
1993 144.5 3.0% $357
1995 152.4 2.8% $376
1997 160.5 2.3% $396
1999 166.6 2.2% $411
2001 177.1 2.8% $437
2003 184 2.3% $454
2005 195.3 3.4% $482
2007 207.342 2.8% $512
2009 214.537 -0.4% $530
2011 224.939 3.2% $555
2013 232.957 1.5% $575
2015 237.017 0.1% $585
2017 245.12 2.1% $605
2019 255.657 1.8% $631
2021 270.97 4.7% $669

Long periods are sampled every 2 years; the calculator above covers any pair of years.

The destination year: 2021

2021 was the year inflation stopped being background noise. Consumer prices rose 4.7% on average for the year, and the pace kept building as the months went on: by December, the 12-month rate had reached 7.0%, the highest since 1982. The proximate cause was a supply chain that could not keep up with a fast-reopening economy. A global semiconductor shortage choked new car production and pushed used vehicle prices up by more than a third, the single largest line item in the year’s inflation math. Lumber, appliances, and shipping capacity told versions of the same story: demand snapped back faster than factories, ports, and truckers could handle it. Washington added fuel in March with the $1.9 trillion American Rescue Plan, on top of the relief already in the pipeline since 2020. For most of the year, the Federal Reserve called the price surge “transitory,” a temporary reopening effect expected to fade on its own, and held its policy rate near zero. By November, with inflation still climbing, the Fed reversed course and began winding down its bond purchases, the first step toward the rate hikes that would follow in 2022. Gas averaged $3.01 a gallon for the year, up from about $2.17 in 2020, while the federal minimum wage held at $7.25, unchanged since 2009. In hindsight, 2021 reads as the hinge year: the point where “transitory” inflation became the multi-year fight the Fed spent the next two years trying to win.

More about inflation in 2021 →

Cite this page

MLA: “Inflation from 1971 to 2021: $100 is worth $669 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1971-to-2021/

APA: InflationCalculator.com. Inflation from 1971 to 2021. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1971-to-2021/

Source: U.S. Bureau of Labor Statistics, CPI-U annual averages (series CUUR0000SA0; category indexes listed on the data sources page). See how these numbers are calculated.